From: Leonard Crestez <leonard.crestez@nxp.com>
Date: Thu, 20 Feb 2020 16:29:35 +0000 (+0200)
Subject: firmware: imx: scu-pd: Align imx sc msg structs to 4
X-Git-Tag: v5.6-rc5~1^2~8^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7c1a1c814ccc858633c761951c2546041202b24e;p=thirdparty%2Fkernel%2Flinux.git

firmware: imx: scu-pd: Align imx sc msg structs to 4

The imx SC api strongly assumes that messages are composed out of
4-bytes words but some of our message structs have odd sizeofs.

This produces many oopses with CONFIG_KASAN=y.

Fix by marking with __aligned(4).

Fixes: c800cd7824bd ("firmware: imx: add SCU power domain driver")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c
index b556612207e53..af3ae0087de4e 100644
--- a/drivers/firmware/imx/scu-pd.c
+++ b/drivers/firmware/imx/scu-pd.c
@@ -61,7 +61,7 @@ struct imx_sc_msg_req_set_resource_power_mode {
 	struct imx_sc_rpc_msg hdr;
 	u16 resource;
 	u8 mode;
-} __packed;
+} __packed __aligned(4);
 
 #define IMX_SCU_PD_NAME_SIZE 20
 struct imx_sc_pm_domain {